59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
#ifndef LIGHTNING_LIGHTNINGD_WAIT_H
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#define LIGHTNING_LIGHTNINGD_WAIT_H
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#include "config.h"
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#include <common/json_param.h>
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struct lightningd;
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/* This WAIT_SUBSYSTEM_X corresponds to listXs */
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enum wait_subsystem {
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WAIT_SUBSYSTEM_FORWARD,
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WAIT_SUBSYSTEM_SENDPAY,
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WAIT_SUBSYSTEM_INVOICE,
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};
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#define NUM_WAIT_SUBSYSTEM (WAIT_SUBSYSTEM_INVOICE+1)
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enum wait_index {
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WAIT_INDEX_CREATED,
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WAIT_INDEX_UPDATED,
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WAIT_INDEX_DELETED,
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};
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#define NUM_WAIT_INDEX (WAIT_INDEX_DELETED+1)
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/**
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* structure for keeping created/updated/deleted indexes in the db
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*/
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struct indexes {
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u64 i[NUM_WAIT_INDEX];
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};
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/* Get a string */
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const char *wait_index_name(enum wait_index index);
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const char *wait_subsystem_name(enum wait_subsystem subsystem);
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/**
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* wait_index_increment - increment an index, tell waiters.
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* @ld: the lightningd
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* @subsystem: subsystem for index
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* @index: which index
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* ...: name/value pairs, followed by NULL.
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*
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* Increase index, write to db, wake any waiters, give them any name/value pairs.
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* If the value is NULL, omit that name.
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* If the name starts with '=', the value is a JSON literal (and skip over the =)
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*
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* Returns the updated index value (always > 0).
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*/
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u64 LAST_ARG_NULL wait_index_increment(struct lightningd *ld,
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enum wait_subsystem subsystem,
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enum wait_index index,
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...);
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/* For passing in index parameters. */
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struct command_result *param_index(struct command *cmd, const char *name,
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const char *buffer,
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const jsmntok_t *tok,
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enum wait_index **index);
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#endif /* LIGHTNING_LIGHTNINGD_WAIT_H */
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